Diagnostic finding

Macrocytosis

An increased erythrocyte size defined by an elevated mean corpuscular volume (MCV > 100 fL). Possible causes are nutritional deficiency (vitamin B12 or folate), alcohol use, liver disease, medications (HIV treatment, chemotherapy, seizure medications), megaloblastic anemia, hypothyroidism, and rapid blood cell production.

Also known as: Macrocythemia, Megalocytosis, Macrocytic anemia

Referencing diagnoses

Short bowel syndrome
Vitamin B12 deficiency

Note: Lists existing diagnoses in Diagnotize only.